Search Results - "Intema, Huib"

Low-frequency radio study of MACS clusters at 610 and 235 MHz using the GMRT by Paul, Surajit, Salunkhe, Sameer, Datta, Abhirup, Intema, Huib T

“…Abstract Studies have shown that mergers of massive galaxy clusters produce shocks and turbulence in the intracluster medium, these events possibly creating…”
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All-sky angular power spectrum – I. Estimating brightness temperature fluctuations using the 150-MHz TGSS survey by Choudhuri, Samir, Ghosh, Abhik, Roy, Nirupam, Bharadwaj, Somnath, Intema, Huib T, Ali, Sk Saiyad

“…ABSTRACT Measurements of the Galactic synchrotron emission are important for the 21-cm studies of the epoch of reionization. The study of synchrotron emission…”
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The angular power spectrum measurement of the Galactic synchrotron emission in two fields of the TGSS survey by Choudhuri, Samir, Bharadwaj, Somnath, Ali, Sk. Saiyad, Roy, Nirupam, Intema, Huib. T., Ghosh, Abhik

“…Abstract Characterizing the diffuse Galactic synchrotron emission at arcminute angular scales is needed to reliably remove foregrounds in cosmological 21-cm…”
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Calibration of Ultraviolet, Mid-infrared, and Radio Star Formation Rate Indicators by Brown, Michael J. I., Moustakas, John, Kennicutt, Robert C., Bonne, Nicolas J., Intema, Huib T., de Gasperin, Francesco, Boquien, Mederic, Jarrett, T. H., Cluver, Michelle E., Smith, J.-D. T., da Cunha, Elisabete, Imanishi, Masatoshi, Armus, Lee, Brandl, Bernhard R., Peek, J. E. G.

“…We present calibrations for star formation rate (SFR) indicators in the ultraviolet, mid-infrared, and radio-continuum bands, including one of the first direct…”
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FR II radio galaxies at low frequencies – I. Morphology, magnetic field strength and energetics by Harwood, Jeremy J., Croston, Judith H., Intema, Huib T., Stewart, Adam J., Ineson, Judith, Hardcastle, Martin J., Godfrey, Leith, Best, Philip, Brienza, Marisa, Heesen, Volker, Mahony, Elizabeth K., Morganti, Raffaella, Murgia, Matteo, Orrú, Emanuela, Röttgering, Huub, Shulevski, Aleksandar, Wise, Michael W.

“…Due to their steep spectra, low-frequency observations of Fanaroff–Riley type II (FR II) radio galaxies potentially provide key insights in to the morphology,…”
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A low-frequency radio halo survey of the South Pole Telescope SZ-selected clusters with the GMRT by Raja, Ramij, Rahaman, Majidul, Datta, Abhirup, van Weeren, Reinout J, Intema, Huib T, Paul, Surajit

“…ABSTRACT The presence of non-thermal electrons and large-scale magnetic fields in the intracluster medium is known through the detection of megaparsec (Mpc)…”
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Limits on long-time-scale radio transients at 150 MHz using the TGSS ADR1 and LoTSS DR2 catalogues by de Ruiter, Iris, Leseigneur, Guillaume, Rowlinson, Antonia, Wijers, Ralph A M J, Drabent, Alexander, Intema, Huib T, Shimwell, Timothy W

“…ABSTRACT We present a search for transient radio sources on time-scales of 2–9 yr at 150 MHz. This search is conducted by comparing the first Alternative Data…”
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Gentle reenergization of electrons in merging galaxy clusters by de Gasperin, Francesco, Intema, Huib T, Shimwell, Timothy W, Brunetti, Gianfranco, Brüggen, Marcus, Enßlin, Torsten A, van Weeren, Reinout J, Bonafede, Annalisa, Röttgering, Huub J A

“…Galaxy clusters are the most massive constituents of the large-scale structure of the universe. Although the hot thermal gas that pervades galaxy clusters is…”
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Black hole jets on the scale of the cosmic web by Oei, Martijn S. S. L., Hardcastle, Martin J., Timmerman, Roland, Gast, Aivin R. D. J. G. I. B., Botteon, Andrea, Rodriguez, Antonio C., Stern, Daniel, Calistro Rivera, Gabriela, van Weeren, Reinout J., Röttgering, Huub J. A., Intema, Huib T., de Gasperin, Francesco, Djorgovski, S. G.

“…When sustained for megayears (refs.  1 , 2 ), high-power jets from supermassive black holes (SMBHs) become the largest galaxy-made structures in the Universe 3…”
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What are the megahertz peaked-spectrum sources? by Coppejans, Rocco, Cseh, David, Velzen, Sjoert van, Falcke, Heino, Intema, Huib T, Paragi, Zsolt, Mueller, Cornelia, Williams, Wendy L, Frey, Sandor, Gurvits, Leonid I, Kording, Elmar G

“…Megahertz peaked-spectrum (MPS) sources have spectra that peak at frequencies below 1 GHz in the observer's frame and are believed to be radio-loud active…”
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Diffuse radio source candidate in CIZA J1358.9−4750 by Kurahara, Kohei, Akahori, Takuya, Kale, Ruta, Akamatsu, Hiroki, Fujita, Yutaka, Gu, Liyi, Intema, Huib, Nakazawa, Kazuhiro, Okabe, Nobuhiro, Omiya, Yuki, Parekh, Viral, Shimwell, Timothy, Takizawa, Motokazu, Van Weeren, Reinout J

“…Abstract We report on results of our upgraded Giant Metrewave Radio Telescope (uGMRT) observations for an early-stage merging galaxy cluster, CIZA J1358.9−4750…”
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New insights from deep VLA data on the potentially recoiling black hole CID-42 in the COSMOS field by Novak, Mladen, Smolčić, Vernesa, Civano, Francesca, Bondi, Marco, Ciliegi, Paolo, Wang, Xiawei, Loeb, Abraham, Banfield, Julie, Bourke, Stephen, Elvis, Martin, Hallinan, Gregg, Intema, Huib T., Klöckner, Hans-Rainer, Mooley, Kunal, Navarrete, Felipe

“…We present deep 3-GHz Karl G. Jansky Very Large Array (VLA) observations of the potentially recoiling black hole CID-42 in the Cosmic Evolution Survey (COSMOS)…”
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Filaments in the southern giant lobe of Centaurus A: constraints on nature and origin from modelling and GMRT observations by Wykes, Sarka, Intema, Huib T., Hardcastle, Martin J., Achterberg, Abraham, Jones, Thomas W., Jerjen, Helmut, Orrú, Emanuela, Lazarian, Alex, Shimwell, Timothy W., Wise, Michael W., Kronberg, Philipp P.

“…We present results from imaging of the radio filaments in the southern giant lobe of Centaurus A using data from Giant Metrewave Radio Telescope observations…”
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Observations of a pre-merger shock in colliding clusters of galaxies by Gu, Liyi, Akamatsu, Hiroki, Shimwell, Timothy W., Intema, Huib T., van Weeren, Reinout J., de Gasperin, Francesco, Mernier, François, Mao, Junjie, Urdampilleta, Igone, de Plaa, Jelle, Parekh, Viral, Röttgering, Huub J. A., Kaastra, Jelle S.

“…Clusters of galaxies are the largest known gravitationally bound structures in the Universe. When clusters collide, they create merger shocks on cosmological…”
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Detailed study of ELAIS N1 field with the uGMRT – II. Source properties and spectral variation of foreground power spectrum from 300–500 MHz observations by Chakraborty, Arnab, Roy, Nirupam, Datta, Abhirup, Choudhuri, Samir, Datta, Kanan K, Dutta, Prasun, Bharadwaj, Somnath, Intema, Huib, Choudhury, Madhurima, Pal, Srijita, Choudhury, Tirthankar Roy

“…ABSTRACT Understanding the low-frequency radio sky in depth is necessary to subtract foregrounds in order to detect the redshifted 21 cm signal of neutral…”
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The complete local volume groups sample – III. Characteristics of group central radio galaxies in the Local Universe by Kolokythas, Konstantinos, O’Sullivan, Ewan, Intema, Huib, Raychaudhury, Somak, Babul, Arif, Giacintucci, Simona, Gitti, Myriam

“…ABSTRACT Using new 610 and 235 MHz observations from the giant metrewave radio telescope (GMRT) in combination with archival GMRT and very large array (VLA)…”
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All sky angular power spectrum: I. Estimating brightness temperature fluctuations using TGSS 150 MHz survey by Choudhuri, Samir, Ghosh, Abhik, Roy, Nirupam, Bharadwaj, Somnath, Intema, Huib. T, Ali, Sk. Saiyad

“…2020, MNRAS, 494, 1936 Measurements of the Galactic synchrotron emission is relevant for the 21-cm studies from the Epoch of Reionization. The study of the…”
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Mpc-scale diffuse radio emission in two massive cool-core clusters of galaxies by Sommer, Martin W, Basu, Kaustuv, Intema, Huib, Pacaud, Florian, Bonafede, Annalisa, Babul, Arif, Bertoldi, Frank

“…Radio haloes are diffuse synchrotron sources on scales of ~1 Mpc that are found in merging clusters of galaxies, and are believed to be powered by electrons…”
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Evidence of AGN feedback and sloshing in the X-ray luminous NGC 1550 galaxy group by Kolokythas, Konstantinos, O’Sullivan, Ewan, Giacintucci, Simona, Worrall, Diana M, Birkinshaw, Mark, Raychaudhury, Somak, Horellou, Cathy, Intema, Huib, Loubser, Ilani

“…ABSTRACT We present results from Giant Metrewave Radio Telescope and Chandra observations of the NGC 1550 galaxy group. Although previously thought of as…”
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Detailed study of the ELAIS N1 field with the uGMRT – I. Characterizing the 325 MHz foreground for redshifted 21 cm observations by Chakraborty, Arnab, Datta, Abhirup, Choudhuri, Samir, Roy, Nirupam, Intema, Huib, Choudhury, Madhurima, Datta, Kanan K, Pal, Srijita, Bharadwaj, Somnath, Dutta, Prasun, Choudhury, Tirthankar Roy

“…Abstract In this first paper of the series, we present initial results of newly upgraded Giant Metrewave Radio Telescope (uGMRT) observation of European…”
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